Handy tips: malfunctioning boiler in cold weather

[Marmite17]

No heat today as Glow Worm boiler (about 5 years old) was spluttering and stopping with F4 and F22 faults. Called a gas safe plumber as it needs a service anyway. Then googled.
The external condenser pipe could have frozen/had end buried by snow in drain so poured warm water over it a couple of times, waited about 30 mins, reset boiler and bingo! We have heat!
Plus feel mighty proud of self.

chip is it a condensing boiler? If So, I'd always try hot water on the pipe outside first- I heard cracking from mine.oh and it would fire but not for long.

chipin

might be a controls fault. Are the timer and the room stat both calling for CH?

Is the thermostat wireless? They are less reliable than wired. Try changing the batteries.

my over flow(?) pipe goes out thru the roof into the guttering - except the guttering is frozen so we had drips coming thru the bedroom ceiling from the plastic pipe which was just shoved into a harder plastic pipe going thru the roof

we have the blue peter plumbing option, as it was impossible to un ice the guttering....

We have resorted to PigletJohn's solution above ie cut the pipe inside the house and are using a bucket to collect the condensed water.

Got up today to boiler not working, Ideal Esprit Eco.

My condensation pipe runs about 12 feet across the back of my house then joins into the down pipe. The bottom of the down pipe was frozen and after pouring hot water onto it I managed to dislodge a tube of ice from inside it. Unfortunately there is no way I can reach the upper part of the pipes.

My boiler displays error code L2 which is flame loss and doing a reset it tries a few times to fire up then returns to the L2 code.

I am reluctant to break the inner part of the pipe (and only have a bread knife anyway) so I was wondering if I could just leave it until the weather improves and reset the boiler then. I can manage without the heating but obviously there is the risk of frozen pipes, but if it is a fault other then the pipe I am stuffed anyway is no chance of an engineer getting to me any time soon.

Any wise words or advice gratefully accepted.

Quick update, managed to get the pipe cut and it did the trick.

More grateful than I can say for this thread.